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KBSG Flameproof Transformers Series Special/Isolation/Control Transformers
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KBSG Mining Flameproof Transformers — Explosion-Proof Dry Type
KBSG series mining flameproof (explosion-proof) dry-type transformers supply power for underground coal mines, enclosed in a flameproof housing designed to contain any internal explosion and prevent ignition of the mine atmosphere. Rated 50–1600 kVA, 6/10 kV primary to 0.4/0.69/1.2 kV secondary, built for mine duty with mining safety certification framework and heavy-duty skid or wheel mounting.
Key Features
- Flameproof enclosure contains internal faults for underground safety
- Dry-type construction with no flammable liquid
- 50–1600 kVA, 6/10 kV primary, 0.4/0.69/1.2 kV secondary
- Mining safety certification framework (MA) design
- Skid or wheel-mounted for mine roadway transport
- Suitable for high-humidity and dusty mine environments
Applications
- Underground coal mine power distribution
- Mining face and roadway supply
- Mine ventilation and pumping loads
- Tunneling and shaft construction
Selection Guide
Enclosure
Confirm flameproof rating meets the mine classification (methane/dust).
Capacity
Size 50–1600 kVA to the mine feeder load.
Voltage
Match 6/10 kV primary and the required secondary voltage.
- Frequently Asked Questions
What is a KBSG transformer?
KBSG is a flameproof (explosion-proof) dry-type transformer for underground mining, with a flameproof enclosure that prevents any internal arc or explosion from igniting the surrounding mine atmosphere.
Why dry-type for mining?
Dry-type eliminates flammable insulating liquid, reducing fire risk in underground environments.
What voltages are typical?
6kV or 10kV primary stepped down to 0.4/0.69/1.2 kV for mine machinery and lighting.
Instant Selection & Quote Calculator
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| Base price (interpolation) | $10 |
| × Product factor | ×1.0000 |
| × Country factor | ×1.0000 |
| × Copper-linked factor | ×1.0000 |
| + Options / accessories | $0 |
Aluminum winding — no copper linkage
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